diff --git a/constraints.txt b/constraints.txt
index 9488949c5d..fe4f777a1e 100644
--- a/constraints.txt
+++ b/constraints.txt
@@ -103,7 +103,7 @@ mypy==1.9.0               # via -r requirements-dev.in
 mypy-extensions==1.0.0    # via black, mypy
 nanobind==1.9.2           # via gt4py (pyproject.toml)
 nbclient==0.6.8           # via nbmake
-nbformat==5.10.3          # via jupytext, nbclient, nbmake
+nbformat==5.10.4          # via jupytext, nbclient, nbmake
 nbmake==1.5.3             # via -r requirements-dev.in
 nest-asyncio==1.6.0       # via ipykernel, nbclient
 networkx==3.1             # via dace
diff --git a/min-extra-requirements-test.txt b/min-extra-requirements-test.txt
index d3871db2be..d6689803b3 100644
--- a/min-extra-requirements-test.txt
+++ b/min-extra-requirements-test.txt
@@ -113,6 +113,6 @@ tabulate==0.8.10
 tomli==2.0.1; python_version < "3.11"
 tox==3.2.0
 types-all==1.0.0
-typing-extensions==4.6.0
+typing-extensions==4.10.0
 xxhash==1.4.4
 ##[[[end]]]
diff --git a/min-requirements-test.txt b/min-requirements-test.txt
index e985b08aa7..eeb633dd67 100644
--- a/min-requirements-test.txt
+++ b/min-requirements-test.txt
@@ -106,6 +106,6 @@ tabulate==0.8.10
 tomli==2.0.1; python_version < "3.11"
 tox==3.2.0
 types-all==1.0.0
-typing-extensions==4.6.0
+typing-extensions==4.10.0
 xxhash==1.4.4
 ##[[[end]]]
diff --git a/requirements-dev.txt b/requirements-dev.txt
index df79f905d3..71a4152553 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -103,7 +103,7 @@ mypy==1.9.0               # via -c constraints.txt, -r requirements-dev.in
 mypy-extensions==1.0.0    # via -c constraints.txt, black, mypy
 nanobind==1.9.2           # via -c constraints.txt, gt4py (pyproject.toml)
 nbclient==0.6.8           # via -c constraints.txt, nbmake
-nbformat==5.10.3          # via -c constraints.txt, jupytext, nbclient, nbmake
+nbformat==5.10.4          # via -c constraints.txt, jupytext, nbclient, nbmake
 nbmake==1.5.3             # via -c constraints.txt, -r requirements-dev.in
 nest-asyncio==1.6.0       # via -c constraints.txt, ipykernel, nbclient
 networkx==3.1             # via -c constraints.txt, dace
diff --git a/src/gt4py/next/ffront/decorator.py b/src/gt4py/next/ffront/decorator.py
index f55e829715..4f1eafebbd 100644
--- a/src/gt4py/next/ffront/decorator.py
+++ b/src/gt4py/next/ffront/decorator.py
@@ -208,7 +208,7 @@ def itir(self) -> itir.FencilDefinition:
             kwargs={},
         )
         if self.backend is not None and self.backend.transformer is not None:
-            return self.backend.transformer.past_to_itir(no_args_past)
+            return self.backend.transformer.past_to_itir(no_args_past).program
         return past_to_itir.PastToItirFactory()(no_args_past).program
 
     def __call__(self, *args, offset_provider: dict[str, Dimension], **kwargs: Any) -> None:
diff --git a/tests/next_tests/integration_tests/feature_tests/ffront_tests/test_decorator.py b/tests/next_tests/integration_tests/feature_tests/ffront_tests/test_decorator.py
new file mode 100644
index 0000000000..a6d00ab7d0
--- /dev/null
+++ b/tests/next_tests/integration_tests/feature_tests/ffront_tests/test_decorator.py
@@ -0,0 +1,35 @@
+# GT4Py - GridTools Framework
+#
+# Copyright (c) 2014-2023, ETH Zurich
+# All rights reserved.
+#
+# This file is part of the GT4Py project and the GridTools framework.
+# GT4Py is free software: you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the
+# Free Software Foundation, either version 3 of the License, or any later
+# version. See the LICENSE.txt file at the top-level directory of this
+# distribution for a copy of the license or check <https://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+# TODO(dropd): Remove as soon as `gt4py.next.ffront.decorator` is type checked.
+from gt4py import next as gtx
+from gt4py.next.iterator import ir as itir
+
+from next_tests.integration_tests import cases
+from next_tests.integration_tests.cases import cartesian_case
+from next_tests.integration_tests.feature_tests.ffront_tests.ffront_test_utils import (
+    exec_alloc_descriptor,
+)
+
+
+def test_program_itir_regression(cartesian_case):
+    @gtx.field_operator(backend=None)
+    def testee_op(a: cases.IField) -> cases.IField:
+        return a
+
+    @gtx.program(backend=None)
+    def testee(a: cases.IField, out: cases.IField):
+        testee_op(a, out=out)
+
+    assert isinstance(testee.itir, itir.FencilDefinition)
+    assert isinstance(testee.with_backend(cartesian_case.executor).itir, itir.FencilDefinition)